Home / 3,279.40-4,919.22-1,088.32

Finding the Fourth Proportional to 3,279.40, 4,919.22 and 1,088.32

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Solution

The fourth proportional to 3,279.40, 4,919.22 and 1,088.32 is: 1,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.40 : 4,919.22 = 1,088.32 : x
  2. Step 2: Convert to fraction form
    3,279.40/4,919.22 = 1,088.32/x
  3. Step 3: Cross multiply
    3,279.40x = 4,919.22 × 1,088.32
  4. Step 4: Simplify right side
    3,279.40x = 5,353,685.51
  5. Step 5: Solve for x
    x = 5,353,685.51/3,279.40
  6. Step 6: Final answer
    x = 1,632.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.